“The Blue Marble” is a famous photograph of the Earth taken on December 7, 1972, by the crew of the Apollo 17 spacecraft en route to the Moon at a distance of about 29,000 kilometres (18,000 mi). It shows Africa, Antarctica, and the Arabian Peninsula. – NASA/Apollo 17 crew; taken by either Harrison Schmitt or Ron Evans

Having a stressful day? We got you covered!Sit back, turn the volume up and enjoy a relaxing moment brought to you by ESA and Lufthansa getting lost in the beauty of our planet with images captured by Envisat, JAXA ALOS, KARI Kompsat-2, GeoEye Ikonos-2 and NASA Landsat-5 and Landsat-7 satellites.
Don’t forget to favourite this video. You will always have a space to relax with us.
Music: "Page of Life" by Green Sun.

Scientists Officially Name Newfound Aurora 'Steve'

A new study published in the journal Science Advances provides an in-depth analysis of a light phenomenon discovered last year dubbed "STEVE."

Earth from Space: special edition

Discover more about our planet with the Earth from Space video programme. In this special edition, Sentinel-3 Project Manager Bruno Berruti joins us from the cleanroom at Thales Alenia Space in Cannes to give us an up-close look at the multiple instruments on the Sentinel-3B satellite.

Earth from Space: Southeast Namibia

Earth from Space is presented by Kelsea Brennan-Wessels from the ESA Web TV virtual studios. In this edition, Sentinel-2 takes us over the sand dunes of southeast Namibia and the edge of the Kalahari Desert.
See also http://www.esa.int/spaceinimages/Images/2018/03/Southeast_Namibia to download the image.

STEMonstrations: Newtons 2nd Law of Motion

Watch NASA astronaut Randy Bresnik demonstrate Newton’s Second Law of Motion on the International Space Station by applying a force to objects of different mass. Do you see the differences in acceleration?
Be sure to check out www.nasa.gov/stemonstrations for more videos like these along with corresponding lesson plans.
For a high quality copy for download, visit: https://archive.org/details/jsc2018m000122_STEMonstration_Newtons_Second_Law_of_Motion

ESA : The force that protects our planet

Subscribe ▶ https://goo.gl/oLRjsZ / With the aim of making the best possible use of existing satellites, ESA and Canada have made a deal that turns Swarm into a four-satellite mission to shed even more light on space weather and features such as the aurora borealis.
In orbit since 2013, ESA’s three identical Swarm satellites have been returning a wealth of information about how our magnetic field is generated and how it protects us from dangerous electrically charged atomic particles in the solar wind.
Canada’s Cassiope satellite carries three instrument packages, one of which is e-POP. It delivers information on space weather which complements that provided by Swarm. Therefore, the mission teams began looking into how they could work together to make the most of the two missions.
To make life easier, it also just so happens that Cassiope’s orbit is ideal to improve Swarm’s readings.
And now, thanks to this international cooperation and formalised through ESA’s Third Party Mission programme, e-POP has effectively become a fourth element of the Swarm mission. It joins Swarm’s Alpha, Bravo and Charlie satellites as Echo.
Josef Aschbacher, ESA’s Director of Earth Observation Programmes, noted, “This is a textbook example of how virtual constellations and collaborative initiatives can be realised, even deep into the missions’ exploitation phases.
“We embrace the opportunity to include e-POP in the Swarm mission, especially because it is clear that the more data we get, the better the picture we have of complex space weather dynamics.
“ESA is looking forward to seeing the fruits of this collaboration and the improved return on investment for both Europe and Canada.”
Andrew Yau from the University of Calgary added, “Swarm and e-POP have several unique measurement capabilities that are highly complementary.
“By integrating e-POP into the Swarm constellation, the international scientific community will be able to pursue a host of new scientific investigations into magnetosphere–ionosphere coupling, including Earth’s magnetic field and related current systems, upper-atmospheric dynamics and aurora dynamics.”
http://www.esa.int/Our_Activities/Observing_the_Earth/Swarm/Swarm_trio_becomes_a_quartet
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What Happens if Earth Gets 2°C Warmer?

Over the last 20 years, 2°C has been referenced in climate policies and agreements made by the Council of the European Union, the G8 (now the G7), and more. So what makes two degrees so important?
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Space debris - efforts to clean up space

The European Space Agency (ESA) is part of an international effort to monitor and – ultimately – tackle space debris. This junk – accumulated in orbit since the dawn of the space age sixty years ago – poses an increasing risk to operational spacecraft.
ESA is developing missions to tackle the problem to help prevent a serious collision in space. The Agency is also monitoring possible dangers caused by fragments of redundant spacecraft falling to Earth, such as China’s space station Tiangong-1 – due to enter the atmosphere in the coming months.
Visit our Clean Space site to learn more: http://www.esa.int/Our_Activities/Space_Engineering_Technology/Clean_Space

Earth from Space: Beijing

Earth from Space is presented by Kelsea Brennan-Wessels from the ESA Web TV virtual studios. With the Chinese calendar rolling over into a new year, the Sentinel-2 mission offers us a view of the country’s capital in this edition.
See also http://www.esa.int/spaceinimages/Images/2018/02/Beijing to download the image.

NSN Webinar: Looking at Earth From Space (Landsat Style)

Night Sky Network members joined us to hear NASA's Theresa Arvidson share the history of the ongoing Landsat program, and update us about the upcoming Landsat 9 mission.
Conceived in the 1960s, the Landsat program launched its first satellite in 1972. Landsat has gathered more than 45 years of information about Earth’s land surface, chronicling how it has changed over time, pioneering global land monitoring and making breakthroughs in assessments of natural resources, especially agriculture, forestry, and geology. The technical aspects of remote sensing advanced as the Landsat program proceeded to accumulate an unprecedented global data archive. This talk combines a little history, some technology, and a fair amount of science with lots of beautiful images of our Earth’s surface.

Destroying Earth

As a species, we're always thinking of ways to fix problems here on Earth, but how about ways in which all life here on Earth is wiped out. In this video, we discuss possible ways in which Earth could be destroyed, both astrophysical events and Human made disasters.
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The Earth’s Spin Is Slowing Down! What Happens If It Stops?

Life on Earth has adapted to our 24 hour day, but the Earth’s spin is slowing down. What would it be like to live on an Earth that stops spinning?
Watching YouTube Isn’t Helping You Wind Down, It’s Ruining Your Sleep - https://youtu.be/QxA23Fa76Dk
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What Would Happen if Earth Stopped Spinning?
http://thescienceexplorer.com/universe/what-would-happen-if-earth-stopped-spinning
“Have you ever wondered what would happen if the Earth stopped spinning? You can probably guess that it would not result in anything good, in fact, it would be disastrous. If the Earth stopped spinning suddenly, most people on Earth would die. If the Earth slowed down gradually, it would be absolutely devastating, but there is a chance some people could survive.”
Baby Moon-Birthing Collision Slapped Earth Sideways
https://www.seeker.com/moon-earth-collision-astrophysics-formation-theory-2076496115.html
“While we think of the moon as a familiar, unchanging sight, when compared with the other moons in the solar system it's a bit weird. Earth's moon is relatively big compared to our planet, its orbit is far from Earth and its tilt is huge.”
Did Ancient Planet Collision Allow Life to Thrive?
https://www.seeker.com/life-giving-carbon-result-of-ancient-earth-collision-2006730394.html
“Life-giving carbon can be found all over the Earth's surface, but how it got there has been a mystery.”
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What happens when Earth's magnetic field flips? - TomoNews

THE CORE OF THE PLANET — Earth's magnetic poles change position every few hundred thousand years. So what happens when our magnetic field flips?
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Taking a look at something from a different perspective can make all the difference—especially if your second angle is from 250 miles straight up! NASA astronaut Randy Bresnik took it to extremes during his mission to the International Space Station in 2017, shooting photographs of spots on Earth and matching them up with pictures he’d taken of the same locations when he’d visited them previously. Enjoy this sample of photo pairs, and check out the rest at #OneWorldManyViews
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The Real Reality Show: Earth Is Not Flat

Somehow, a growing number of people believe that Earth is flat. Astronomy’s Editor walks through a number of the many ways that show how our planet is a sphere, orbiting the Sun.
Astronomy magazine is the world’s best-selling astronomy magazine, offering you the most exciting visually stunning thorough, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky-event coverage, spot-on observing tips, informative telescope reviews, and more.
astronomy.com features daily news and weekly observing tips, as well as our Picture of the Day. We also invite you to check out our blogs, podcasts, and more.
All of this comes in an easy-to-understand user-friendly style that's perfect for astronomers at any level.
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Earth from Space: special edition

Discover more about our planet with the Earth from Space video programme. In this special edition, Sentinel-3 Product Assurance Manager Jean-Francois Flamand joins us from the cleanroom at Thales Alenia Space in Cannes to discuss testing the Sentinel-3B satellite.
More about Sentinel-3:
http://www.esa.int/Our_Activities/Observing_the_Earth/Copernicus/Sentinel-3

Sixty Years of Earth Observations: from Explorer-1 (1958) to CYGNSS (2017)

January 31 2018 marks the 60th anniversary of the launch of the Explorer-1 spacecraft and 60 years of Earth observations from space. This visualization shows the orbits of NASA-related near-Earth science missions from the launch of Explorer-1 in 1958 through 2017. These missions include both NASA-run missions as well as missions run by organizations that NASA has partnered with. Twenty-four of these missions are called out as "firsts" in various ways.
NASA's Earth observing spacecraft from Explorer-1 to CYGNSS
Visualizers: Greg Shirah (lead), Ernie Wright, Horace Mitchell
For more information or to download this public domain video, go to https://svs.gsfc.nasa.gov/4600#24066

Explorer 1 & 60 Years of Space Science (live public talk)

Original air date: Jan. 25, 2018. Explorer 1 marked the start of the Space Age for America, and heralded the study of Earth from space. The JPL-built satellite confirmed the existence of the Van Allen radiation belts, the very first space science discovery. Explorer 1's success was only the first of an array of Earth missions that have mapped and probed our planet's lands, waters and atmosphere on scales ranging from the millimeter to global views. This conversation and multimedia journey spanned from the dawn of Earth space science to today's modern fleet that is providing vital information in understanding the changes taking place on the only planet humans can yet call home. For more info on Explorer 1, please visit https://explorer1.jpl.nasa.gov
Host:
Blaine Baggett, JPL Fellow
Panelists:
Erik Conway, JPL Historian
Carmen Boening, JPL Earth Scientist
Erika Podest, JPL Earth Scientist
Jason Craig, JPL Visualization Specialist
NASA's Jet Propulsion Laboratory invites you to watch live about everything from Mars rovers to monitoring asteroids to cool cosmic discoveries. From the lab to the lecture hall, get information directly from scientists and engineers working on NASA's latest missions. http://www.jpl.nasa.gov
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Earth from Space: Yukon Delta

Earth from Space is presented by Kelsea Brennan-Wessels from the ESA Web-TV virtual studios. In this edition, Sentinel-2 takes us over the Yukon Delta in the US.
See also http://www.esa.int/spaceinimages/Images/2018/01/Yukon_Delta to download the image.

Going for GOLD: Exploring the Interface to Space

GOLD is a new NASA science mission that launches in January 2018 to explore Earth’s interface to space!
GOLD stands for Global-scale Observations of the Limb and Disk. It will inspect the dynamic region of near-Earth space where space and Earth’s uppermost atmosphere meet. Historically difficult to observe, this is a little understood region that responds both to the lower atmosphere below and the tumult of space weather from above.
GOLD is a hosted instrument roughly the size of a mini-fridge that will fly aboard a commercial communications satellite, SES-14 — and it’s the first NASA science mission to do so.
Joining us are NASA scientists Sarah Jones and Alex Young and SES director of hosted payloads, Todd Gossett. They will share details of GOLD’s mission and why they’re excited about this particular launch. Learn more: https://www.nasa.gov/gold

The Most Alien-Looking Places On Earth

These are the most alien-looking places on the planet.
https://www.msn.com/en-us/travel/tripideas/17-of-the-most-alien-looking-places-on-earth/ss-BBzFMNp
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Earth from Space: special edition

Discover more about our planet with the Earth from Space video programme. This special edition celebrates two years of operating the Copernicus Sentinel-2 mission.
More about Sentinel-2:
http://www.esa.int/Our_Activities/Observing_the_Earth/Copernicus/Sentinel-2

Earth from Space: Marajó

Earth from Space is presented by Kelsea Brennan-Wessels from the ESA Web-TV virtual studios. In this edition, Sentinel-2 takes us over part of northern Brazil’s Marajó island in Pará state.
See also http://www.esa.int/spaceinimages/Images/2018/01/Marajo_Brazil to download the image.

2017 Takes Second Place for Hottest Year

Earth's surface temperatures in 2017 were the second warmest since since 1880, when global estimates first become feasible, NASA scientists found. News release: https://www.nasa.gov/press-release/long-term-warming-trend-continued-in-2017-nasa-noaa
Global temperatures in 2017 were second only to 2016, which still holds the record for the hottest year; however, 2017 was the warmest year on record that did not start with an El Nino weather pattern, as the previous two years did. In a separate, independent analysis, NOAA scientists found that 2017 was the third-warmest year in their record. The minor difference is due to different methods to analyze global temperatures used by the two agencies, although over the long-term the records remain in strong agreement.
Music: Sojourner Rover by Craig Warnock [PRS], Lee Ahmad Baker [PRS], Sean Hennessey [PRS]
This video is public domain and along with other supporting visualizations can be downloaded from the Scientific Visualization Studio at: http://svs.gsfc.nasa.gov/12822
Credit: NASA's Goddard Space Flight Center/Kathryn Mersmann

Earth from Space: special edition

Discover more about our planet with the Earth from Space video programme. This special edition celebrates two years of operating the Copernicus Sentinel-2 mission.
More about Sentinel-2:
http://www.esa.int/Our_Activities/Observing_the_Earth/Copernicus/Sentinel-2

Global-scale Observations of the Limb and Disk

The Global-scale Observations of the Limb and Disk, or GOLD, instrument launches aboard a commercial communications satellite in January 2018 to inspect the dynamic intermingling of space and Earth’s uppermost atmosphere. Together, GOLD and another NASA mission, Ionospheric Connection Explorer spacecraft, or ICON, will provide the most comprehensive of Earth’s upper atmosphere we’ve ever had. Above the ozone layer, the ionosphere is a part of Earth’s atmosphere where particles have been cooked into a sea of electrically-charged electrons and ions by the Sun’s radiation. The ionosphere is co-mingled with the very highest — and quite thin — layers of Earth’s neutral upper atmosphere, making this region an area that is constantly in flux undergoing the push-and-pull between Earth’s conditions and those in space. Increasingly, these layers of near-Earth space are part of the human domain, as it’s home not only to astronauts, but to radio signals used to guide airplanes and ships, and satellites that provide our communications and GPS systems. Understanding the fundamental processes that govern our upper atmosphere and ionosphere is crucial to improve situational awareness that helps protect astronauts, spacecraft and humans on the ground. GOLD, in geostationary orbit over the Western Hemisphere, will build up a full-disk view of the ionosphere and upper atmosphere every half hour, providing detailed large-scale measurements of related processes — a cadence which makes it the first mission to be able to monitor the true weather of the upper atmosphere. GOLD is also able to focus in on a tighter region and scan more quickly, to complement additional research plans as needed.

Earth from Space: Sahara snow

Earth from Space is presented by Kelsea Brennan-Wessels from the ESA Web-TV virtual studios. In this edition, Sentinel-2 takes us over snow-covered sand dunes in Algeria.
See also http://www.esa.int/spaceinimages/Images/2018/01/Sahara_snow to download the image.

NASA Study Finds Chemical Ban is Helping Close Ozone Hole

A study by NASA published Jan. 4 in Geophysical Research Letters is the first to find conclusive evidence that the Montreal Protocol of 1987 has had a direct impact on closing the ozone hole.

An astronomer responds to flat earth theory

Business Insider UK sat down with Dr Stuart Clark, who spoke to us about a range of subjects regarding astronomy and astrophysics.
We asked him what he thought of flat earth theory, a school of thought which believes that the earth is not spherical but flat.
"All our physics is constructed now, the physics of orbits of things going around the earth is all constructed with this three dimensional world. And the pictures from space show our world as a globe and yet somehow there are some people that still seem to believe the earth is flat."
"My own pet theory is that they’re doing it for comic effect."
Watch to hear the full interview.
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Business Insider UK is the largest business news site for British readers and viewers in the UK. Our mission: to tell you all you need to know about the big world around you. The BI UK Video team focuses on business, technology, strategy, and culture with an emphasis on unique storytelling and data that appeals to the next generation of leaders.

‘Bomb Cyclone’ Winter Storm Seen from Space

NOAA's GOES-EAST satellite captured the storm as it formed and moved up the US East Coast from Jan 3-4, 2017. -- Incredible Gifs of the storm from NASA/NOAA: https://www.space.com/39280-bomb-cyclone-satellite-gifs-by-nasa-noaa.html
Credit: Space.com / footage courtesy of NOAA / edited by Steve Spalet

This Is What Earth Looks Like From Mars

NASA fully intends to put humans on Mars in the coming decades, and, though the people who make the journey will be far away and in unfamiliar territory, they’ll be able to catch glimpses of home.

Why We May Not Be Able to Visit Space in the Future

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Videos explaining things. Mostly over topics like history, geography, economics and science.
We believe that the world is a wonderfully fascinating place, and you can find wonder anywhere you look. That is what our videos attempt to convey.
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Top 17 Earth Images of 2017

The astronauts and cosmonauts on the International Space Station take pictures of Earth out their windows nearly every day, and over a year that adds up to thousands of photos. The people at the Earth Science and Remote Sensing Unit at NASA’s Johnson Space Center in Houston had the enviable job of going through this year’s crop to pick their top 17 photos of Earth for 2017—here’s what they chose!
4K and HD Versions:
https://archive.org/details/jsc2017m001088_Top-17-Earth-Images-of-2017
Gateway to Astronaut Photography of Earth: https://eol.jsc.nasa.gov/
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Earth from Space: Reindeer Island

Earth from Space is presented by Kelsea Brennan-Wessels from the ESA Web-TV virtual studios. In the 253rd edition, discover Canada’s Reindeer Island – where we believe Santa Claus stops for a rest during his busy night before Christmas.
See also http://www.esa.int/spaceinimages/Images/2017/12/Reindeer_Island to download the image.

This episode of SpaceTime is brought to you by Lootcrate.
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Stream episodes on demand via www.bitesz.com (mobile friendly)
*New evidence shows the Earth got a bigger beating than thought
A new study suggests the early Earth may have been subjected to five times as many impact events as previously thought -- following the big one which formed the Moon. The findings were revealed in new models of the planet’s impact history based on its mineral composition.
*A new contender in the fight to understand dark matter
The road to understanding dark matter is littered with failed hypothesis. MACHOS are dead, and WIMPS are a no show so far. So, say hello to Strongly Interacting Massive ParticleS or SIMPS.
*New mission to search for life on the Saturnian moon Enceladus
Russian physicist and entrepreneur Uri Milner is backing a new private venture to search for the building blocks of life around the Saturnian ice moon Enceladus. Breakthrough Initiatives -- a program founded by the billionaire tech investor is now workshopping the idea which would take over from where NASA’s Cassini mission left off.
*Plate tectonic activity on Europa
New computer simulations indicated that the Jovian ice moon Europa may have plate tectonics similar to Earth. The findings could have important implications for providing chemical nutrients to any potential life forms in the ocean beneath the moon’s frozen surface.
*December Skywatch
We check out the night skies of December – not only was there another so called supermoon – but the source of this month’s Geminids meteor show – the asteroid 3200 Phaethon makes its closest approach to Earth in 40 years.
*The Science Report
New study confirms male circumcision and antiviral drugs dramatically reduce HIV-AIDS infections.
New extinct species of marsupial lion discovered in north-western Queensland.
New study finds possible genetic factors in male sexual orientation.
And we answer the question “are dogs smarted than cats?
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NASA Evaluates New Threats to Earth’s Ozone Layer

Scientists are closely monitoring positive signs of recovery of the Earth’s stratospheric ozone layer, which is depleted by the use of chemicals called chlorofluorocarbons (CFCs) for a range of industrial and commercial purposes. Even after the landmark Montreal Protocol banned these substances in the late 1980s, threats to the ozone layer persist. Scientists at NASA’s Goddard Space Flight Center including Susan Strahan and Qing Liang (both NASA/USRA) are weighing in to an ongoing debate about the relative impacts of continuing sources of ozone depletion, including short-lived chemicals not banned by the Protocol, the effects of climate change, and banned chemicals that are still being released into the atmosphere. All could potentially delay the recovery of the seasonal ozone hole over Antarctica.
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Scientists Document Earth's Mysterious Hum From Ocean Floor

A study recently published in the journal Geophysical Research Letters suggests the Earth's hum originates on the seafloor.

Space Debris Sensor

Orbital debris poses a risk to all spacecraft in Earth orbit, so the International Space Station is getting a new debris impact sensor to provide information on the micrometeoroid orbital debris environment in low Earth orbit. The Space Debris Sensor, launching on the next SpaceX Dragon cargo vehicle, will monitor impacts caused by small-scale orbital debris for a period of two to three years. That data will improve station safety by generating a more accurate estimate of the amount of small-scale debris that cannot be tracked from the ground and helping define better spacecraft shielding requirements.
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Carbon dioxide ocean–atmosphere exchange

Atmospheric carbon dioxide is the most important human-made greenhouse gas responsible for global warming. Oceans assist in removing carbon dioxide from the atmosphere: phytoplankton accumulate carbon dioxide through photosynthesis and their chlorophyll colours the ocean’s waters. Satellites use this colour to measure chlorophyll, which helps scientists to calculate how much carbon dioxide is absorbed or emitted.
Copyright: Planetary Visions (credit: ESA/CCI Ocean Colour/Climate Monitoring User Group/Planetary Visions)

What If Earth Started Spinning Twice as Fast Right Now?

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Auroras and Stars In Awesome Space Station Time-Lapse Video

A different perspective of the International Space Station’s flight over Earth was captured by ESA astronaut Paolo Nespoli. Watch as the stars and auroras “dance” over North America.
Credit: ESA

VITA mission 'Timelapse a Day' edition – Australia

A series of daytime photos were taken by ESA astronaut Paolo Nespoli to create this time-lapse of Australia as seen from the International Space Station.
ESA astronaut Paolo Nespoli in currently working and living on board the Station as part of the Italian Space Agency’s long-duration VITA mission.
Follow the VITA mission: http://blogs.esa.int/VITAmission/ Connect with Paolo via http://paolonespoli.esa.int

VITA mission 'Timelapse a Day' edition - from Somalia to Russia

A series of nighttime photos were taken by ESA astronaut Paolo Nespoli to create this time-lapse of the Earth from Somalia to Russia, with a fly-over the Himalayas, as seen from the Space Station .
ESA astronaut Paolo Nespoli in currently working and living on board the International Space Station as part of the Italian Space Agency’s long-duration VITA mission.
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What If The Earth Were Flat?

Today, it's nearly impossible to believe the Earth is anything but round. But for most of our history, humans have thought Earth was flat.
The one concept our ancient ancestors were missing was gravity. Gravity's effects are the key to determining whether the Earth is actually flat, or not.
On a sphere, gravity pulls in the same direction everywhere on the surface. But on a disc, gravity changes direction as you move toward the edge.
At the center, you feel a downward pull just like on spherical Earth. But as you move out, gravity starts pulling sideways as well as a downwards.
This would wreak havoc on sports played in different parts of the world. A ball thrown straight up in the air mid-way out, would curve down and backward toward the disc's center. Plus, a ball thrown mid-way out wouldn't go nearly as high or far as a ball thrown up at the edge where gravity's downward pull is practically zero.
But sports are just the beginning. Since plant stems grow opposite to the direction of gravity, an effect called negative gravitropism, you'll see forests grow at an increasingly sharp angle the farther you are from the center.
Continue toward the edge and you feel like you're climbing a hill that's growing steeper with each step as the backward pull of gravity takes over. At Earth’s end, that hill will feel like a 90-degree cliff, pulling you back to the center. But if you could make it over the edge, and stand on the thin outer part of the disc, you'll feel downward pull just like on spherical Earth.
However, living here would be like living in a desert. Gravity's backward effects pull on the oceans too, making it impossible for any water to reach the edge. Instead, sea levels will gradually rise as you travel in, making the world's center an aquatic metropolis.
So, the next time you see an apple fall straight to the ground, thank your lucky stars that Earth is round. Because if it were flat, that apple might actually hit you in the face.
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NASA astronaut Randy Bresnik used a GoPro camera to capture footage of Earth and the the Space Station during a spacewalk on Oct. 20, 2017. -- Spacewalking Astronauts Install New Cameras and Prep Space Station for Robotic Work: https://www.space.com/38523-spacewalking-astronauts-install-new-cameras.html
Credit: NASA

There are 29,000 tracked pieces of space debris in orbit, and a million more too small to follow. They pose a risk to astronauts and satellites. So what can be done?
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ESA Euronews: Space debris

Space debris has become a pressing issue, with objects in orbit flying out of control, posing a risk to satellites and to astronauts. We attended a meeting of space debris experts at ESA's ESTEC technology base in the Netherlands to find out more about what can be done to deal with the problem.
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Watch the talented Reggie Watts perform at the Exploratorium August 9th, 2012. Reggie was at the Exploratorium for an Osher Fellowship, and he graciously joined us at the end of a live webcast on Mars to share a little of his own feelings about the red planet!

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